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Finding the Fourth Proportional to 172,368.04, 237,866.34 and 96,917.08

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Solution

The fourth proportional to 172,368.04, 237,866.34 and 96,917.08 is: 133,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,368.04 : 237,866.34 = 96,917.08 : x
  2. Step 2: Convert to fraction form
    172,368.04/237,866.34 = 96,917.08/x
  3. Step 3: Cross multiply
    172,368.04x = 237,866.34 × 96,917.08
  4. Step 4: Simplify right side
    172,368.04x = 23,053,311,103.09
  5. Step 5: Solve for x
    x = 23,053,311,103.09/172,368.04
  6. Step 6: Final answer
    x = 133,744.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.